Bump structopt from 0.3.25 to 0.3.26 (#3364)

Bumps [structopt](https://github.com/TeXitoi/structopt) from 0.3.25 to 0.3.26.
- [Release notes](https://github.com/TeXitoi/structopt/releases)
- [Changelog](https://github.com/TeXitoi/structopt/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TeXitoi/structopt/compare/v0.3.25...v0.3.26)

---
updated-dependencies:
- dependency-name: structopt
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

Cargo.lock

@@ -3322,9 +3322,9 @@ checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
 [[package]]
 name = "structopt"
-version = "0.3.25"
+version = "0.3.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40b9788f4202aa75c240ecc9c15c65185e6a39ccdeb0fd5d008b98825464c87c"
+checksum = "0c6b5c64445ba8094a6ab0c3cd2ad323e07171012d9c98b0b15651daf1787a10"
 dependencies = [
  "clap",
  "lazy_static",

zebra-utils/Cargo.toml

@@ -8,7 +8,7 @@ edition = "2021"
 publish = false
 
 [dependencies]
-structopt = "0.3.25"
+structopt = "0.3.26"
 color-eyre = "0.5.11"
 hex = "0.4"
 serde_json = "1.0"